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Estimating the operational status of agents in distributed systems experiencing uncertain communication and agent attrition.

机译：估计通信和代理损耗不确定的分布式系统中代理的运行状态。

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摘要

This research introduces an estimation and decision making procedure for distributed multi-agent systems (DMAS) conducting cooperative missions in hostile environments. The focus of this research is to enable the DMAS to adapt to an uncertain and dynamic communication network. This work assumes that a DMAS operates with delayed communication and is vulnerable to experiencing communication faults in its network topology. Communication faults experienced by the DMAS are caused by enemy interference and can occur at random times. A communication fault is represented as either a temporary loss in an agent's transmitting and receiving capability, or agent attrition in which an agent becomes non-operational and is permanently removed from the system. The three novel techniques used in the proposed procedure include: i) a distributed linear Kalman filter to allow each agent to estimate pose information for itself and other system agents, ii) a process for distributively estimating the operational status of system agents by evaluating their communication times and estimated trajectories, and iii) a modified task allocation algorithm that incorporates the previously mentioned estimations so that the system can adapt to the changing network topology. Numerical results prove that utilizing the proposed procedure provides the DMAS with exceptional performance when operating in hostile environments where its communication network is susceptible to attack.
机译：本研究介绍了在敌对环境中执行协作任务的分布式多主体系统（DMAS）的估计和决策程序。这项研究的重点是使DMAS适应不确定和动态的通信网络。这项工作假设DMAS在通信延迟的情况下工作，并且很容易在其网络拓扑中遇到通信故障。 DMAS遇到的通信故障是由敌方干扰引起的，并且可能随机发生。通信故障表示为座席的发送和接收能力的暂时损失，或座席损耗，在座席损耗中，座席变得无法操作并从系统中永久删除。提议的过程中使用的三种新颖技术包括：i）分布式线性卡尔曼滤波器，以允许每个代理为自己和其他系统代理估算姿势信息，ii）通过评估系统代理的通信来分布式估算系统代理的运行状态的过程时间和估计的轨迹，以及iii）修改的任务分配算法，该算法结合了前面提到的估计，以便系统可以适应不断变化的网络拓扑。数值结果证明，当在通信网络容易受到攻击的恶劣环境中运行时，利用所提出的程序可以为DMAS提供出色的性能。

著录项

  • 作者

    Votion, Johnathan.;

  • 作者单位

    The University of Texas at San Antonio.;

  • 授予单位 The University of Texas at San Antonio.;
  • 学科 Electrical engineering.
  • 学位 Ph.D.
  • 年度 2016
  • 页码 80 p.
  • 总页数 80
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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